Frontier Airlines is the most reliable airline on the RSW to GRR route with a 86% on-time rate, compared to Southwest Airlines at 67%. Based on 205 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: RSW to GRR
Fort Myers to Grand Rapids — airline reliability comparison
On-Time Rate by Airline
Frontier Airlines86%
Southwest Airlines67%
RSW to GRR Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Frontier AirlinesF9Best | 86% | 3.2% | 94m | 205 |
| Southwest AirlinesWNWorst | 67% | 0.0% | 56m | 12 |
Route Overview
82%
Overall On-Time
103m
Avg Delay
2.7%
Cancel Rate
258
Total Flights
Flying out of RSW? We'll brief you.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.